3M 7010365883 Finishing Flap Brush 8x4x3 in Very Fine

Product Description

The 3M 7010365883 is a finishing flap brush designed for light-duty cleaning and surface finishing applications. Individual abrasive sheets are adhered at a 90-degree angle to a central core, creating a flexible, conformable action that follows irregular contours. The brush uses a very fine grade aluminum oxide abrasive mineral with a medium hardness density rating of 5, making it well suited for final finishing passes where surface quality matters. At 2.26 pounds, this brush is a substantial tool built for consistent, repeatable results. Measuring 8 inches in length, 4 inches in width, and 3 inches in bore size, it fits standard arbor-mounted setups common in trade and industrial finishing work.

This flap brush is intended for cleaning and finishing operations on metal, composite, or fabricated surfaces where a very fine finish is required. The 90-degree sheet orientation delivers uniform abrasive contact across the work surface, reducing the risk of deep scratching or gouging associated with coarser abrasives. Typical applications include deburring, blending weld seams, light surface prep, and pre-coating finishing. Installers and fabricators working in HVAC ductwork, plumbing fixture finishing, or metal component prep will find this grade and configuration appropriate for fine surface work.

Key Features

• Very fine grade aluminum oxide abrasive for light-duty finishing and cleaning
• Individual sheets mounted at 90 degrees to core for conformable, consistent contact
• Medium hardness density rating of 5 for controlled cut and surface uniformity
• 8 inches x 4 inches x 3 inches dimensions for use on standard arbor-mount equipment
• Suitable for metal cleaning, blending, and pre-coating surface preparation

Compatibility

Designed as a standard arbor-mounted finishing flap brush for use with bench grinders, angle grinders, or automated finishing equipment accepting a 3-inch bore arbor attachment.

Installation Notes

Installation and operation of flap brushes should be performed by qualified personnel familiar with rotary abrasive tooling. Ensure the spindle speed of the drive equipment does not exceed the maximum RPM rating of the brush before mounting. Power down and lock out the equipment before mounting or removing the brush from the arbor. Always wear appropriate eye protection and follow applicable ANSI safety standards for abrasive wheel use.

Technical Specifications

• Abrasive Mineral: Aluminum oxide
• Abrasive Grade: Very fine
• Density: 5 (medium hardness)
• Sheet Mounting Angle: 90 degrees
• Length: 8 inches
• Width: 4 inches
• Bore Size: 3 inches
• Weight: 2.26 pounds
• UPC: 00048011011844

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010365883